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geniusboy [140]
3 years ago
10

Which of the following is an example of human monosomy - Down syndrome, Klinefelter syndrome, Turner syndrome, none of the above

Biology
2 answers:
goldfiish [28.3K]3 years ago
6 0
The answer should be Turner syndrome.
Wewaii [24]3 years ago
6 0

Answer:

Turner syndrome

Explanation:

It is turner syndrome which is characterized by monosomy (2n-1) in only females. The genotype of the affected female is 45 + X_ . It is a chromosomal aberration in which the individual has 45 chromosomes instead of normal 46. It occurs due to non-disjunction during meiosis.

The person affected with turner's syndrome is dwarf, has less developed ovaries which leads to infertility and has heart defects.

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2. Dominant trait: cleft chin (C) Mother’s gametes: Cc
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Answer No 2:

      c      c

C   Cc     Cc

c    cc      cc

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there will be 50% chance of the child to have cleft chin.

Answer No 3:

        A        a

A     Aa       Aa

a      Aa        aa

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b   Bb    bb

b    Bb    bb

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Answer No 5:

           F      f

F          FF    Ff

f           Ff     ff

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